共 2 条
- [1] APPLICATION OF TREFFTZ-FICHERA METHOD FOR IMPROVABLE BRACKETING OF THE NATURAL ANGULAR EIGENFREQUENCIES OF A BEAM SUBJECT TO BENDING VIBRATION ACTA TECHNICA ACADEMIAE SCIENTIARUM HUNGARICAE, 1981, 92 (3-4): : 393 - 404
- [2] APPLICATION OF TREFFTZ-FICHERA METHOD FOR BRACKETING OF NATURAL FREQUENCIES OF SPACE FRAMES ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, 1983, 63 (04): : T88 - T89